Truck.



I. MGCOON.

TRUCK.`

PPLIOATION FILED Amma, 1913.

Patented July 14;; 1914.

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Armfwfys TBUGK.

APPLIUATION FILED APR-16, 1913.

Patented v.muy 14, 1914 mm mm n m :l0 F. ma M @ml YVe 0 YWM.. m 5 /m which t Ln anion.

11m. m0000151, 0F WINDSOR LOGKS, CONNECTICUT.

To all whom 'it may concern Be it known that 1: Ina McCooN, a citizen of the United States, and a resident ot' Windsor Locks, in the county of Hartford and State of Connecticut. have invented a new and improved Truck, of which the fol lowing is a full, clear, and exact description.

My invention relates to iiianually-oper ated trucks; and has reference more particularly to tlie platform of the same, which is adapted to move vertically on the traine of the truck.

An object of the inventionis to provide a manually operated truck by means of f' which the time and expense involved to load the truck is reduced to a minimum.

Another object of the invention is to provide a manually operated truck in which the platform for loads is made to move bodily.

A still further object of the invention is to provide a truck in which the platform can be maintained in its extreme positions without any ei'ort.

The invention consists ot the construction and combination of parts to be more fully described hereinafter and ifiilly set forth in the claims. a

Reference is to be had to the accompanying drawings forming a part of this specification, in 'which like characters indicate correspondingparts iii allptlie views and in Figure 1 is a plan view oic an embodiment of my invention with the platform tor loads removed from same; Fig. 2 is a longitudinal. section, showing` the platform in its .raised position supporting a loader; l ig. 3 is i .similar section showing the platform in its lowerinost position with the loader resting on the ground. Fig. et is an end view on Fig. 2, as indicated by the arrow; and Fig.

5 is a section on line 55. Fig. 4.

1n the appended drawings. 6 represents the side members of the traine of the truck, eacli provided with cams or guide portions A7 disposed near the ends of the members.

Rigidly connected to the rear ends ot the niepibersi is a 'transverse bai' t1. and re intorci'i-ig.. this connection are corners 9. The forward ends ol the members (i .fire properly spaced by means ot a transverse bai' 10 rigidly secured to the under side of saine substantially near the middle ot the forward guide portions T. '.ilie trame of the truck, formed by the members (i: S and TRUCK.

Specification of Letters Patent.

Application tiled April 1S, 1913.

vguiding blocks 28 en aged by Patented July 14, 1914. Serial No. 761,502.

10. is mounted on wheels 11, the forward pair of which is pivotally mounted in bearings 12 secured to vertical blocks 13, each in turn secured to the forward end of the exterior side of the member 6.

ivotally mounted in and between the blocks 13 is a member 14 to which is centrally and pivotally attached a tongue 15. Pivotaliy and centrally secured to the tongue 15, and substantially.parallel to the member 111, is a beain 15y both ends of which are pivotally attached toiai'ms 17. The opposite end of each arm 17 is hinged to a wheel carrier 18 which is pivotally mounted in the bearings 12. The axis of pivot 19 connecting each of the arms 17 and the beams 16 is Y. normal to the axis of the hinge 2O which connects the arms 17 to the Wheel carrier 18.

The menriber'lfl isy provided on each side of the tongue 15 with arms 21 disposed Yon the opposite sides of the member 141 and of equal length, the oppositely disposed arms 21 A4being substantially in alinement and parallelv with the direction of tlie tongue. Pivotally connected with one end of the extremities of the arms 21, pointing toward the free end of the tongue, are connecting rods 22g-and similarly pivotally connected to the opposite arms 21 are connecting rods 23. The opposite ends of the connecting' rods 22 and are provided with an ope-ning 24, the oppositeiy disposed openings 211 of rods 22 and 23 respectively being.. engaged by a shaft 25 disposed transversely between the members (3. Mounted on the ends of each o1 the shafts 25 are two separate rollers 26 and 27, the roller 26 resting on the guide portions 7, and of smaller diameter than the roller 27. The shafts 25 are provided with means to prevent a lateral displacement of the rollers 26 and 27 and also of the connecting rods 22 and 23.

The frame of the truck is provided with ins 29 secured to 'the under si e ot the p atform 30. llie'under side ot the platform 30 is provided with cams oi' guidingmeans 31 each resting on a roller 27. The guide members 7 and the guidin means 31 are each provided with an inclined portion 32 and straight portions 33, so that each of the inclined portions is intermediate the straight portions. 'the inclined portions 32'of the oppositeiy disposed guiding members 31 and 11o 7 converge toward' the adjacent ends of the trame.

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When the tongue l5 is in the position indicoted invlig. 53 ,and is. caused to move to the position indicated in' Fig. 2 the connecting ernis 22 and 23 wiil be caused to move in opposite directions, carrying with themvthe shafts The translation of the shafts 25 will cause the roller 2G resting on the straight portion 33 to rise on the inclined portion 82 or the guide members 'i'. Similarly, rdue to the translation oi' the short 25, the roller 2'7 will rotate in the op posjite direction from the roller 26; coming in Contact with the incline 352 of the guiding .means 3l they will conse the lotforrn 30 to rise.` Therefore, the rising o the platform is accelerated by the total action of the rollers 26 and 27 end the inclines of the respective guide portions 'a' and. 3l. When euch gain' of adjacent rollers 26 und 27 has passe the'incline 32 ofthe guide members 7 and 3l vin contact with them, it enters on to lthestreight portions 33, os shown in Fig. 2.

Whenthe rollers 26 end 27 are contacting' with the straight portions 33 ci the respective guide members there 'is no'y tendency for the rollers to displace themselves, as the 'horizontelidis locement of the platform proper on'the rome is prevented by the engagement of the pins 29 with the blocks 28. 'l'he usek of roy truck con be es follows: Preferably loaders Stare provided in the shupeof c, trough wide enough to admit the truck. One of the seid loaders resting on the Fig.`v '3, end, consequently, in position shown 1n seme ground, as shown in the drawing, 'een then be loaded; The truck is then backed up into the loader, with. tbevple'tform as shownin with the tongue igure, until the .IneJor port of the platform isproperly in theloaderll. The tongue l5 is then made to rotetewiththc member 14, causing the as before described, and, consequently, foro ing the platform against the loader and reising the seme from the ground to theposition shown in Figs. 2 und 4'. By pulling on the tongue 1-5, the truck with the loader Ion movementof the connecting rods 22 and 23,

` it' is then carried rto the desired` lace Where lthe seme is placed on the groun by revers`v ing the operation above described. In place ofthe removed loader, another vcan be put in ositiou while the first loader is 'carried to its destination to be unloaded.

' It 'can beeasily seen' from Fig. lthet when the .tongue is in position indicated in Figs. l and 5, the front wheels 1l can be caused to swing by medium of the beeni'l on the arms 17 to direct the truck. lt must be re- .niarlrcdthet .the truck can be used with come eiliciency for any lood. where the saine could be engegedby the platform, as described.

- From the above description it can be seen that with .my trucl-r the time neressery for charging and discluirging e. lood on the platform is reduced to o. minimun); and the Awhereby' when seid tongue is monroe load Ao' er ie not very much disturbed during t e Iloading of lit on the truck, as the platformis caused tomove bodily substantielly parallel to the frame. Furthermore, while my'truck as here disclosed is principall for manual operation, sumeucun be casi y' used with animal powezy.

Having thus described my invention, what Icluim as new and desire to secure by Letters vPotent is l. In e truck,-a frame havin faces; a pair of reer wheels om? front Wheels for seid freine, said front pair of wheels being pivotelly attached to said traine; a tongue adopted to oscillate verti, cally und transversely; mounted on said tongue; arms pivotelly conf nected .to said beam and seid pivotelly mounted pair of wheels; e platform for loads having com surfaces associated with said Cam Sillframe; rollers engaging the cam surfaces of ,Y

the platform und frame; Ineens connecting the rollers Inode to reciprocwte to land from said frame by the rollers moving on said cam surfaces. 2. In e truck,e frame comprisingtwo to seid .tongue whereby when saidv tongue is oscillated vertically the platform isoppositely disposed( longitudinal members;r

ceros adjacent the ends of said members und integral therewith; pairs of front and rear wheels associated with seid frame, said front pair of Wheels being seid frame; n. tongue adaptedto oscillete vertically sind transversely of salidframe, e beam pivotully mounted on Said teigne;

pivotelly attached to arms pivotally connected to said beaml und Y seid bivotelly mounted pair-of Wheels,"

trensverse shafts in the frame between `said longitudinal members; s pair of independent rollers on each end of seid shaft, one of each ofseid pair of rollers engaging one of seid cams; levers, connecting the tongue to the shafts; a platform for loads associated vwith the frame; cams carried by said platform and integral therewith, euch of seid come on seidA Platform engaging the second of each of said pairs of rolle form vertically, i

v3. In a truck,- -e frame havin com sur-- faces;a'peir ofrear Wheels an e. pair of front Wheels for said frame seid front Wheels being pivotelly attached' to seid Vframe; 'e tongue adapted to oscillete vertically and transversely' of seid frame; beam puotally mounted on seid tongue; `armes pivotally connectcdto seid beam and seid pivotally mounted 'front Wheels; e platform for loads, havin caio. surfaces; rollers e aging the com sui-reces of the platform endame; means connecting the rollers to seidftongue oscillated vertically the platform is mede to reciprocate to und rom seid freine by the rolling action of the rollers on the cern surfaces, seid-tongue y rs, and ineens on seid platform and frameffor guidingV seid plsu-l' his ` eausin on then' pivots whereby the truck 1s directed.

'erben oscllated tronsgersely of the frame the movement o the front wheels .4. In a .truck vit frame'having camsurfaces; o pmr o rear wheels and a pair of front wheels for sind frame; means securing each 'front wheel ivotally to the frame; a

transverse, rotatab y mounted member st the front' of the frame; `altongue gvotally mounted on said member where y said ton `e is adapted to oscillate transversely of sai frame' on seid member and-'verticeiy to the frame with said member; e beam pivot- `al1y mounted on said tongue; arms pivo lly connected-:to said beam and said pivotelly 'mounted wheels' platform for loads, han#I Aing cam surfaces; rollers engaging tbe cam surfuoes of the latfo and frame, said transverse. rotate, 1v m unted member hrw.4

ing enum-lieues@ eonneetingg tirs? te arms of sund tremsverw mennber 1 whereby when said tongue le eiiuted {remoti/iig.

pletorm is mede to recproeet :to und, irons said frame by the roin .uetmi of the rollers on the eemeurfeces o' the treme fendi the .y v KRA MQGL Witnesses: w`

CLINTON "EL iPorrnn's, LD. @mmm ffii? 

